<template>
  <div>
    <div>
      <el-input
        style="width: 200px"
        placeholder="查询标题"
        v-model="title"
      ></el-input>
      <el-button type="primary" style="margin-left: 10px" @click="load(1)"
        >查询</el-button
      >
      <el-button type="info" @click="reset">重置1</el-button>
    </div>
    <div style="margin: 10px 0">
      <el-button type="primary" plain @click="handleAdd">新增</el-button>
      <el-button type="danger" plain @click="delBatch">批量删除</el-button>
    </div>
    <el-table
      :data="tableData"
      stripe
      :header-cell-style="{ backgroundColor: 'aliceblue', color: '#666' }"
      @selection-change="handleSelectionChange"
    >
      <el-table-column
        type="selection"
        width="55"
        align="center"
      ></el-table-column>
      <el-table-column
        prop="id"
        label="序号"
        width="70"
        align="center"
      ></el-table-column>
      <el-table-column prop="title" label="标题"></el-table-column>
      <el-table-column prop="description" label="简介"></el-table-column>
      <el-table-column prop="content" label="内容">
        <template v-slot="scope">
          <el-button @click="showContent(scope.row.content)" size="mini"
            >显示内容</el-button
          >
        </template>
      </el-table-column>
      <el-table-column prop="content" label="详情页">
        <template v-slot="scope">
          <el-button
            @click="$router.push('/newsDetail?id=' + scope.row.id)"
            size="mini"
            >在详情页显示</el-button
          >
        </template>
      </el-table-column>
      <el-table-column prop="author" label="发布人"></el-table-column>
      <el-table-column prop="time" label="发布时间"></el-table-column>
      <el-table-column label="操作" align="center" width="180">
        <template v-slot="scope">
          <el-button
            size="mini"
            type="primary"
            plain
            @click="handleEdit(scope.row)"
            >编辑</el-button
          >
          <el-button size="mini" type="danger" plain @click="del(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
        @current-change="handleCurrentChange"
        :current-page="pageNum"
        :page-size="pageSize"
        layout="total, prev, pager, next"
        :total="total"
      >
      </el-pagination>
    </div>

    <el-dialog
      title="场地信息"
      :visible.sync="fromVisible"
      width="60%"
      @close="closeDialog"
      :close-on-click-modal="false"
    >
      <el-form
        :model="form"
        label-width="80px"
        style="padding-right: 20px"
        :rules="rules"
        ref="formRef"
      >
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="标题"></el-input>
        </el-form-item>
        <el-form-item label="简介" prop="content">
          <el-input v-model="form.description" placeholder="简介"></el-input>
        </el-form-item>
        <el-form-item label="内容" prop="content">
          <div id="editor"></div>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click="fromVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>

    <el-dialog title="内容" :visible.sync="fromVisible1" width="60%">
      <el-card class="w-e-text">
        <div v-html="content"></div>
      </el-card>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="fromVisible1 = false"
          >确 定</el-button
        >
      </div>
    </el-dialog>
  </div>
</template>

<script setup>
import { ref, onMounted, nextTick } from "vue";
import { ElMessage, ElMessageBox } from "element-plus";
import axios from "axios";
import E from "wangeditor";
import hljs from "highlight.js";

const tableData = ref([]);
const pageNum = ref(1);
const pageSize = ref(5);
const title = ref("");
const total = ref(0);
const fromVisible = ref(false);
const form = ref({});
const user = JSON.parse(localStorage.getItem("honey-user") || "{}");
const rules = {
  title: [{ required: true, message: "请输入标题", trigger: "blur" }],
};
const ids = ref([]);
const editor = ref(null);
const content = ref("");
const fromVisible1 = ref(false);

const showContent = (content) => {
  content.value = content;
  fromVisible1.value = true;
};

const closeDialog = () => {
  // 销毁编辑器
  editor.value.destroy();
  editor.value = null;
};

const delBatch = () => {
  if (!ids.value.length) {
    ElMessage.warning("请选择数据");
    return;
  }
  ElMessageBox.confirm("您确认批量删除这些数据吗？", "确认删除", {
    type: "warning",
  })
    .then((response) => {
      axios.delete("/news/delete/batch", { data: ids.value }).then((res) => {
        if (res.data.code === "200") {
          // 表示操作成功
          ElMessage.success("操作成功");
          load(1);
        } else {
          ElMessage.error(res.data.msg); // 弹出错误的信息
        }
      });
    })
    .catch(() => {});
};

const handleSelectionChange = (rows) => {
  // 当前选中的所有的行数据
  ids.value = rows.map((v) => v.id);
};

const del = (id) => {
  ElMessageBox.confirm("您确认删除吗？", "确认删除", { type: "warning" })
    .then((response) => {
      axios.delete("/news/delete/" + id).then((res) => {
        if (res.data.code === "200") {
          // 表示操作成功
          ElMessage.success("操作成功");
          load(1);
        } else {
          ElMessage.error(res.data.msg); // 弹出错误的信息
        }
      });
    })
    .catch(() => {});
};

const setRichText = () => {
  nextTick(() => {
    editor.value = new E(`#editor`);
    editor.value.highlight = hljs;
    editor.value.config.uploadImgServer = this.$baseUrl + "/file/editor/upload";
    editor.value.config.uploadFileName = "file";
    editor.value.config.uploadImgHeaders = {
      token: user.token,
    };
    editor.value.config.uploadImgParams = {
      type: "img",
    };
    editor.value.config.uploadVideoServer =
      this.$baseUrl + "/file/editor/upload";
    editor.value.config.uploadVideoName = "file";
    editor.value.config.uploadVideoHeaders = {
      token: user.token,
    };
    editor.value.config.uploadVideoParams = {
      type: "video",
    };
    editor.value.create(); // 创建
  });
};

const handleEdit = (row) => {
  // 编辑数据
  form.value = JSON.parse(JSON.stringify(row)); // 给form对象赋值  注意要深拷贝数据
  fromVisible.value = true; // 打开弹窗
  setRichText();
  setTimeout(() => {
    editor.value.txt.html(row.content); // 设置富文本内容
  }, 0);
};

const handleAdd = () => {
  // 新增数据
  form.value = {}; // 新增数据的时候清空数据
  fromVisible.value = true; // 打开弹窗

  setRichText();
};

const save = () => {
  // 保存按钮触发的逻辑  它会触发新增或者更新
  this.$refs.formRef.validate((valid) => {
    if (valid) {
      // 获取编辑框的内容
      let content = editor.value.txt.html();
      form.value.content = content;
      axios({
        url: form.value.id ? "/news/update" : "/news/add",
        method: form.value.id ? "PUT" : "POST",
        data: form.value,
      }).then((res) => {
        if (res.data.code === "200") {
          // 表示成功保存
          ElMessage.success("保存成功");
          load(1);
          fromVisible.value = false;
        } else {
          ElMessage.error(res.data.msg); // 弹出错误的信息
        }
      });
    }
  });
};

const reset = () => {
  title.value = "";
  load(1);
};

const load = (pageNum) => {
  // 分页查询
  if (pageNum) pageNum.value = pageNum;
  axios
    .get("/news/selectByPage", {
      params: {
        pageNum: pageNum.value,
        pageSize: pageSize.value,
        title: title.value,
      },
    })
    .then((res) => {
      tableData.value = res.data.data.records;
      total.value = res.data.data.total;
    });
};

const handleCurrentChange = (pageNum) => {
  load(pageNum);
};

onMounted(() => {
  load(1); // 确保在挂载时加载数据
});
</script>

<style scoped></style>
